CVE-2026-71102 Missing authorization in Oracle Database Server
Unauthenticated attackers can modify or delete critical data and cause denial of service in Oracle Database Server Portable Clusterware via HTTP.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-71102?
CVE-2026-71102 is a critical missing authorization vulnerability in Oracle Database Server, published on 18 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Vulnerability in the Portable Clusterware component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Portable Clusterware. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Portable Clusterware accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Portable Clusterware. CVSS 3.1 Base Score 9.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H).
Weakness: CWE-284
Which versions are affected by CVE-2026-71102?
It affects 1 product.
Products include Oracle Database Server.
How do I fix CVE-2026-71102?
No fix has been published for CVE-2026-71102 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-71102 being exploited?
There is no known exploitation of CVE-2026-71102 in the wild and no public exploit code.
Other vulnerabilities in Oracle Database Server
Sources
Also known as GHSA-7r9w-hxhm-rf6w.